1|Page
STSC TEST QUESTIONS AND ANSWERS 2025
In implementing a construction site safety program, which
action best addresses both
immediate and long-term hazard
identification and control?
A) Conducting daily site inspections to identify hazards
B) Utilizing Job Hazard Analysis (JHA) before starting
new tasks
C) Providing ongoing employee hazard recognition
training
D) Integrating advanced technology for real-time
hazard monitoring - ....ANSWER ....✔✔ B) Utilizing
Job Hazard Analysis (JHA) before starting new tasks
John, a construction worker, has been working outdoors
in high temperatures for several hours. He begins to fee
dizzy, nauseous, and extremely tired. His skin is hot and
dry to the touch. What condition is John most likely
experiencing?
,2|Page
A) Heat Cramps
B) Heat Exhaustion
C) Heat Stroke
D) Dehydration - ....ANSWER ....✔✔ C) Heat Stroke
When selecting appropriate respiratory protection for
workers involved in asbestos removal, which of the
following respirators is most suitable according to OSHA
standards?
A) N95 respirator
B) Powered Air-Purifying Respirator (PAPR) with HEPA
filters
C) Half-face elastomeric respirator with P100 filters
D) Full-face elastomeric respirator with N95 filters -
....ANSWER ....✔✔ B) Powered Air-Purifying
Respirator (PAPR) with HEPA filters
During an unannounced fire drill at a multi-story
construction site, Safety Supervisor Maria observes that
some workers are confused about their designated
assembly points. What is the best course of action Maria
should take to improve clarity and ensure all workers
know their assembly points in future drills?
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A) Update and redistribute the emergency response
plan with highlighted assembly points.
B) Conduct a training session specifically on identifying
assembly points.
C) Install more visible signage indicating assembly points
throughout the site.
D) Assign team leaders to guide workers to their
assembly points during drills. - ....ANSWER ....✔✔ B)
Conduct a training session specifically on identifying
assembly points.
Maria, a Safety Supervisor at a construction site, notices
that workers are consistently ignoring safety protocols
for handling hazardous materials. Despite her repeated
warnings, compliance remains low. What Should Maria
do next?
A) Conduct another training session for workers.
B) Document the non-compliance and report it up the
chain-of-command
C) Implement stricter penalties for non-compliance.
D) Increase her presence on-site to ensure protocols are
followed. - ....ANSWER ....✔✔ B) Document the non-
compliance and report it up the chain-of-command
, 4|Page
During a routine inspection at a construction site,
Supervisor John noticed that debris and tools were
scattered across the walkways, posing potential tripping
hazards.
Which of the following is the most effective initial step to
mitigate this housekeeping hazard?
A) Conducting a toolbox talk on housekeeping practices.
B) Assigning a dedicated crew to clean up the site
immediately
C) Installing warning signs around the hazardous areas.
D) Implementing a daily cleanup schedule for all
workers. - ....ANSWER ....✔✔ B) Assigning a
dedicated crew to clean up the site immediately
During a construction project, an unexpected severe
weather event is forecasted. As the Safety Trained
Supervisor, you need to ensure the safety of all workers
on-site. What is the most appropriate first step to take
in this situation?
A) Conduct an immediate headcount of all workers.
B) Ensure all heavy machinery is secured
STSC TEST QUESTIONS AND ANSWERS 2025
In implementing a construction site safety program, which
action best addresses both
immediate and long-term hazard
identification and control?
A) Conducting daily site inspections to identify hazards
B) Utilizing Job Hazard Analysis (JHA) before starting
new tasks
C) Providing ongoing employee hazard recognition
training
D) Integrating advanced technology for real-time
hazard monitoring - ....ANSWER ....✔✔ B) Utilizing
Job Hazard Analysis (JHA) before starting new tasks
John, a construction worker, has been working outdoors
in high temperatures for several hours. He begins to fee
dizzy, nauseous, and extremely tired. His skin is hot and
dry to the touch. What condition is John most likely
experiencing?
,2|Page
A) Heat Cramps
B) Heat Exhaustion
C) Heat Stroke
D) Dehydration - ....ANSWER ....✔✔ C) Heat Stroke
When selecting appropriate respiratory protection for
workers involved in asbestos removal, which of the
following respirators is most suitable according to OSHA
standards?
A) N95 respirator
B) Powered Air-Purifying Respirator (PAPR) with HEPA
filters
C) Half-face elastomeric respirator with P100 filters
D) Full-face elastomeric respirator with N95 filters -
....ANSWER ....✔✔ B) Powered Air-Purifying
Respirator (PAPR) with HEPA filters
During an unannounced fire drill at a multi-story
construction site, Safety Supervisor Maria observes that
some workers are confused about their designated
assembly points. What is the best course of action Maria
should take to improve clarity and ensure all workers
know their assembly points in future drills?
,3|Page
A) Update and redistribute the emergency response
plan with highlighted assembly points.
B) Conduct a training session specifically on identifying
assembly points.
C) Install more visible signage indicating assembly points
throughout the site.
D) Assign team leaders to guide workers to their
assembly points during drills. - ....ANSWER ....✔✔ B)
Conduct a training session specifically on identifying
assembly points.
Maria, a Safety Supervisor at a construction site, notices
that workers are consistently ignoring safety protocols
for handling hazardous materials. Despite her repeated
warnings, compliance remains low. What Should Maria
do next?
A) Conduct another training session for workers.
B) Document the non-compliance and report it up the
chain-of-command
C) Implement stricter penalties for non-compliance.
D) Increase her presence on-site to ensure protocols are
followed. - ....ANSWER ....✔✔ B) Document the non-
compliance and report it up the chain-of-command
, 4|Page
During a routine inspection at a construction site,
Supervisor John noticed that debris and tools were
scattered across the walkways, posing potential tripping
hazards.
Which of the following is the most effective initial step to
mitigate this housekeeping hazard?
A) Conducting a toolbox talk on housekeeping practices.
B) Assigning a dedicated crew to clean up the site
immediately
C) Installing warning signs around the hazardous areas.
D) Implementing a daily cleanup schedule for all
workers. - ....ANSWER ....✔✔ B) Assigning a
dedicated crew to clean up the site immediately
During a construction project, an unexpected severe
weather event is forecasted. As the Safety Trained
Supervisor, you need to ensure the safety of all workers
on-site. What is the most appropriate first step to take
in this situation?
A) Conduct an immediate headcount of all workers.
B) Ensure all heavy machinery is secured
